bfd, binutils: add gfx11 amdgpu architectures

bfd, binutils: add gfx11 amdgpu architectures

Teach bfd and readelf about some recent gfx11 architectures.  This code
is taken from the rocgdb 5.7.x branch [1].

[1] https://github.com/rocm-Developer-Tools/rocgdb/tree/rocm-5.7.x

bfd/ChangeLog:

	* archures.c (bfd_mach_amdgcn_gfx1100, bfd_mach_amdgcn_gfx1101,
	bfd_mach_amdgcn_gfx1102): New.
	* bfd-in2.h (bfd_mach_amdgcn_gfx1100, bfd_mach_amdgcn_gfx1101,
	bfd_mach_amdgcn_gfx1102): New.
	* cpu-amdgcn.c (arch_info_struct): Add entries for
	bfd_mach_amdgcn_gfx1100, bfd_mach_amdgcn_gfx1101,
	bfd_mach_amdgcn_gfx1102.

binutils/ChangeLog:

	* readelf.c (decode_AMDGPU_machine_flags): Handle gfx1100,
	gfx1101, gfx1102.

include/ChangeLog:

	* elf/amdgpu.h (EF_AMDGPU_MACH_AMDGCN_GFX1100,
	EF_AMDGPU_MACH_AMDGCN_GFX1101,
	EF_AMDGPU_MACH_AMDGCN_GFX1102): New.

Change-Id: I95a8a62942e359781a1c9fa2079950fbcf2a78b8
Co-Authored-By: Laurent Morichetti <laurent.morichetti@amd.com>
Cc: Lancelot Six <lancelot.six@amd.com>